{
  "$type": "site.standard.document",
  "description": "An embodiment of the present invention provides a separator for a non-aqueous secondary battery containing: a porous layer that is provided on only one side of the porous substrate, and that contains a resin having at least one bonding group selected from the group consisting of an amide bond, an…",
  "path": "/patents/1415126",
  "publishedAt": "2023-06-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08J9/26",
    "TEIJIN LTD [JP]"
  ],
  "textContent": "An embodiment of the present invention provides a separator for a non-aqueous secondary battery containing: a porous layer that is provided on only one side of the porous substrate, and that contains a resin having at least one bonding group selected from the group consisting of an amide bond, an imide bond, and a sulfonyl bond, in which, in the porous substrate, an absolute value of a difference between a temperature of an endothermic peak observed at from 120°C to 145°C in a temperature raising process 1, and a temperature of an endothermic peak observed at from 120°C to 145°C in a temperature raising process 2, is 1.50°C or higher in DSC measurement when the temperature raising process 1 of continuously raising the temperature from 30°C to 200°C at a temperature change rate of 5°C/min in a nitrogen atmosphere, and the temperature raising process 2 of lowering the temperature from 200°C to 30°C and raising the temperature from 30°C to 200°C, are performed.",
  "title": "SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY"
}